alsa-project/alsa-ucm-conf issue #342 was opened from nakedape69: UCM seems to set the wrong device for digital output to TOSLINK (optical S/PDIF) on this card. It sets SpdifPCM "hw:${CardId},3" which renders no sound at all. Changing it to SpdifPCM "hw:${CardId},2" makes it work. alsa-info output attached: [alsa-info.txt](https://github.com/alsa-project/alsa-ucm-conf/files/12431959/alsa-info.txt) Issue URL : https://github.com/alsa-project/alsa-ucm-conf/issues/342 Repository URL: https://github.com/alsa-project/alsa-ucm-conf